857406420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 2971987200

約数和(自身を除く): 2114580780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 89, 90, 92, 115, 117, 130, 138, 156, 178, 179, 180, 195, 207, 230, 234, 260, 267, 276, 299, 345, 356, 358, 390, 414, 445, 460, 468, 534, 537, 585, 598, 690, 716, 780, 801, 828, 890, 895, 897, 1035, 1068, 1074, 1157, 1170, 1196, 1335, 1380, 1495, 1602, 1611, 1780, 1790, 1794, 2047, 2070, 2148, 2314, 2327, 2340, 2670, 2685, 2691, 2990, 3204, 3222, 3471, 3580, 3588, 4005, 4094, 4117, 4140, 4485, 4628, 4654, 5340, 5370, 5382, 5785, 5980, 6141, 6444, 6942, 6981, 8010, 8055, 8188, 8234, 8970, 9308, 10235, 10413, 10740, 10764, 11570, 11635, 12282, 12351, 13455, 13884, 13962, 15931, 16020, 16110, 16468, 17355, 17940, 18423, 20470, 20585, 20826, 20943, 23140, 23270, 24564, 24702, 26611, 26910, 27924, 30705, 31862, 32220, 34710, 34905, 36846, 37053, 40940, 41170, 41652, 41886, 46540, 47793, 49404, 52065, 53222, 53521, 53820, 61410, 61755, 63724, 69420, 69810, 73692, 74106, 79655, 79833, 82340, 83772, 92115, 95586, 104130, 104715, 106444, 107042, 122820, 123510, 133055, 139620, 143379, 148212, 159310, 159666, 160563, 184230, 185265, 191172, 207103, 208260, 209430, 214084, 238965, 239499, 247020, 266110, 267605, 286758, 318620, 319332, 321126, 366413, 368460, 370530, 399165, 414206, 418860, 477930, 478998, 481689, 532220, 535210, 573516, 621309, 642252, 716895, 732826, 741060, 798330, 802815, 828412, 955860, 957996, 963378, 1035515, 1070420, 1099239, 1197495, 1242618, 1433790, 1465652, 1596660, 1605630, 1832065, 1863927, 1926756, 2071030, 2198478, 2394990, 2408445, 2485236, 2867580, 3106545, 3211260, 3297717, 3664130, 3727854, 4142060, 4396956, 4763369, 4789980, 4816890, 5496195, 6213090, 6595434, 7328260, 7455708, 9319635, 9526738, 9633780, 10992390, 12426180, 13190868, 14290107, 16488585, 18639270, 19053476, 21984780, 23816845, 28580214, 32977170, 37278540, 42870321, 47633690, 57160428, 65954340, 71450535, 85740642, 95267380, 142901070, 171481284, 214351605, 285802140, 428703210, 857406420]

約数ペア:

[(1, 857406420), (2, 428703210), (3, 285802140), (4, 214351605), (5, 171481284), (6, 142901070), (9, 95267380), (10, 85740642), (12, 71450535), (13, 65954340), (15, 57160428), (18, 47633690), (20, 42870321), (23, 37278540), (26, 32977170), (30, 28580214), (36, 23816845), (39, 21984780), (45, 19053476), (46, 18639270), (52, 16488585), (60, 14290107), (65, 13190868), (69, 12426180), (78, 10992390), (89, 9633780), (90, 9526738), (92, 9319635), (115, 7455708), (117, 7328260), (130, 6595434), (138, 6213090), (156, 5496195), (178, 4816890), (179, 4789980), (180, 4763369), (195, 4396956), (207, 4142060), (230, 3727854), (234, 3664130), (260, 3297717), (267, 3211260), (276, 3106545), (299, 2867580), (345, 2485236), (356, 2408445), (358, 2394990), (390, 2198478), (414, 2071030), (445, 1926756), (460, 1863927), (468, 1832065), (534, 1605630), (537, 1596660), (585, 1465652), (598, 1433790), (690, 1242618), (716, 1197495), (780, 1099239), (801, 1070420), (828, 1035515), (890, 963378), (895, 957996), (897, 955860), (1035, 828412), (1068, 802815), (1074, 798330), (1157, 741060), (1170, 732826), (1196, 716895), (1335, 642252), (1380, 621309), (1495, 573516), (1602, 535210), (1611, 532220), (1780, 481689), (1790, 478998), (1794, 477930), (2047, 418860), (2070, 414206), (2148, 399165), (2314, 370530), (2327, 368460), (2340, 366413), (2670, 321126), (2685, 319332), (2691, 318620), (2990, 286758), (3204, 267605), (3222, 266110), (3471, 247020), (3580, 239499), (3588, 238965), (4005, 214084), (4094, 209430), (4117, 208260), (4140, 207103), (4485, 191172), (4628, 185265), (4654, 184230), (5340, 160563), (5370, 159666), (5382, 159310), (5785, 148212), (5980, 143379), (6141, 139620), (6444, 133055), (6942, 123510), (6981, 122820), (8010, 107042), (8055, 106444), (8188, 104715), (8234, 104130), (8970, 95586), (9308, 92115), (10235, 83772), (10413, 82340), (10740, 79833), (10764, 79655), (11570, 74106), (11635, 73692), (12282, 69810), (12351, 69420), (13455, 63724), (13884, 61755), (13962, 61410), (15931, 53820), (16020, 53521), (16110, 53222), (16468, 52065), (17355, 49404), (17940, 47793), (18423, 46540), (20470, 41886), (20585, 41652), (20826, 41170), (20943, 40940), (23140, 37053), (23270, 36846), (24564, 34905), (24702, 34710), (26611, 32220), (26910, 31862), (27924, 30705)]